C111123313121111121111331333133313331323232133313331333132233132213223211113331   >>    C11112331312111112111133133313331333132323213331333133313223313221322321111333   <<    C111123313121111121111331333133313331323232133313331333132233132213223211113333   >>      C111123313121111121111331333133313331323232133313331333132233132213223211113332   >>